[Inspection] remove unused headers and Xerces

- also sort our some includes to PreCompiled.h

src/Mod/Inspection/Gui/ViewProviderInspection.cpp

@@ -20,43 +20,39 @@
  *                                                                         *
  ***************************************************************************/
 
-
 #include "PreCompiled.h"
 
 #ifndef _PreComp_
 # include <QApplication>
 # include <QMenu>
 # include <QMessageBox>
-#endif
 
-#include <Inventor/actions/SoRayPickAction.h>
 #include <Inventor/SoPickedPoint.h>
-#include <Inventor/lists/SoPickedPointList.h> 
+#include <Inventor/actions/SoRayPickAction.h>
+#include <Inventor/actions/SoSearchAction.h>
 #include <Inventor/details/SoFaceDetail.h>
 #include <Inventor/events/SoButtonEvent.h>
 #include <Inventor/events/SoKeyboardEvent.h>
 #include <Inventor/events/SoMouseButtonEvent.h>
+#include <Inventor/lists/SoPickedPointList.h> 
 #include <Inventor/nodes/SoCoordinate3.h>
 #include <Inventor/nodes/SoDrawStyle.h>
 #include <Inventor/nodes/SoIndexedFaceSet.h>
-#include <Inventor/nodes/SoPointSet.h>
 #include <Inventor/nodes/SoMaterial.h>
-#include <Inventor/nodes/SoShapeHints.h>
-#include <Inventor/nodes/SoOrthographicCamera.h>
 #include <Inventor/nodes/SoMaterialBinding.h>
 #include <Inventor/nodes/SoNormal.h>
+#include <Inventor/nodes/SoPointSet.h>
+#include <Inventor/nodes/SoShapeHints.h>
 #include <Inventor/errors/SoDebugError.h>
-#include <Inventor/actions/SoSearchAction.h>
+#endif
 
-#include <Base/Exception.h>
-#include <App/PropertyLinks.h>
 #include <App/GeoFeature.h>
 #include <Gui/Application.h>
 #include <Gui/Document.h>
 #include <Gui/Flag.h>
 #include <Gui/MainWindow.h>
 #include <Gui/SoFCColorBar.h>
-#include <Gui/ViewProviderGeometryObject.h>
+
 #include <Gui/View3DInventorViewer.h>
 #include <Gui/Widgets.h>
 #include <Mod/Points/App/Properties.h>